Sony VPH-V20M - Manual (Page 29)

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29
Troubleshooting
If the projector appears to be operating erratically, try to diagnose and
correct the problem using the following guide. If the problem still persists,
consult with qualified Sony personnel.
The power does not turn on.
• The MAIN POWER switch is turned off.
m Press the MAIN POWER switch on the projector (see page 13).
Picture does not appear.
• If the control setting displays appear, external signal is not input
correctly.
m Check the current input signal in the USER PRESET display and
connect it correctly (see page 16).
• The PIC MUTING in the USER PRESET display is set to ON.
m Set it to OFF (see page 16).
• If the control setting displays do not appear, there may be an internal
problem.
m Consult with qualified personnel.
Picture is too dark.
• Contrast is set to minimum.
m Adjust the contrast with the b button in the PICTURE CONTROL
display.
Picture is distorted.
• The horizontal frequency of an input signal is not acceptable for this
projector.
m The projector does not accept a signal such as an HDTV signal or
an RGB signal (except fH=15 kHz). Input such signals by converting
into a video signal (see page 30).
• The picture scrolls vertically.
m Turn the V HOLD control on the projector until the picture stabilizes
(see page 9).